39797055 has 16 divisors (see below), whose sum is σ = 70750560. Its totient is φ = 21225024.

The previous prime is 39797047. The next prime is 39797057. The reversal of 39797055 is 55079793.

It is a happy number.

It is not a de Polignac number, because 39797055 - 2³ = 39797047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 39797055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39797057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147262 + ... + 147531.

It is an arithmetic number, because the mean of its divisors is an integer number (4421910).

Almost surely, 2^39797055 is an apocalyptic number.

39797055 is a deficient number, since it is larger than the sum of its proper divisors (30953505).

39797055 is a wasteful number, since it uses less digits than its factorization.

39797055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294807 (or 294801 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 45.

The square root of 39797055 is about 6308.4907069758. The cubic root of 39797055 is about 341.4158232849.

The spelling of 39797055 in words is "thirty-nine million, seven hundred ninety-seven thousand, fifty-five".